Vulnerability Details CVE-2021-21991
The vCenter Server contains a local privilege escalation vulnerability due to the way it handles session tokens. A malicious actor with non-administrative user access on vCenter Server host may exploit this issue to escalate privileges to Administrator on the vSphere Client (HTML5) or vCenter Server vSphere Web Client (FLEX/Flash).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 35.3%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 4.6
References
Products affected by CVE-2021-21991
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cpe:2.3:a:vmware:cloud_foundation:3.0
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cpe:2.3:a:vmware:cloud_foundation:3.0.1
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cpe:2.3:a:vmware:cloud_foundation:3.0.1.1
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cpe:2.3:a:vmware:cloud_foundation:3.10
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cpe:2.3:a:vmware:cloud_foundation:3.10.1
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cpe:2.3:a:vmware:cloud_foundation:3.10.1.1
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cpe:2.3:a:vmware:cloud_foundation:3.10.1.2
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cpe:2.3:a:vmware:cloud_foundation:3.10.2.1
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cpe:2.3:a:vmware:cloud_foundation:3.5
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cpe:2.3:a:vmware:cloud_foundation:3.5.1
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cpe:2.3:a:vmware:cloud_foundation:3.7
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cpe:2.3:a:vmware:cloud_foundation:3.7.1
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cpe:2.3:a:vmware:cloud_foundation:3.7.2
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cpe:2.3:a:vmware:cloud_foundation:3.8
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cpe:2.3:a:vmware:cloud_foundation:3.8.1
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cpe:2.3:a:vmware:cloud_foundation:3.9
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cpe:2.3:a:vmware:cloud_foundation:3.9.1
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cpe:2.3:a:vmware:cloud_foundation:4.0
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cpe:2.3:a:vmware:cloud_foundation:4.0.1
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cpe:2.3:a:vmware:cloud_foundation:4.1
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cpe:2.3:a:vmware:cloud_foundation:4.1.0.1
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cpe:2.3:a:vmware:cloud_foundation:4.2
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cpe:2.3:a:vmware:cloud_foundation:4.2.1
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cpe:2.3:a:vmware:vcenter_server:6.5
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cpe:2.3:a:vmware:vcenter_server:6.7
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cpe:2.3:a:vmware:vcenter_server:7.0